If you tell me more about your interest in the game, I can help you with:

While the learning curve is steep, the depth is unparalleled. It is often described as a "professional grade" simulation used by hobbyists and military historians alike to study the "operational art"—the bridge between individual battles and winning a war.

: TOAW IV introduced a refined supply system, improved naval combat, and a more intuitive UI compared to its predecessors.